package net.lzzy.practices.entities;


import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonManagedReference;
import lombok.Getter;
import lombok.Setter;

import javax.persistence.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Objects;

/**
 * @author zly on 2022/5/8
 * Description:
 */

@Entity
@Getter
@Setter
public class User extends BaseEntity {

    @Transient
    public static final int TYPE_BANNED = -1;
    @Transient
    public static final int TYPE_ADMIN = 0;
    @Transient
    public static final int TYPE_TEACHER = 1;
    @Transient
    public static final int TYPE_STUDENT = 2;
    private String nickName;
    private String userName;
    private String email;
    private String phone;
    private String password;
    private String avatar;
    private int type;
    private String salt;
    private boolean applyTeacher;
    @Temporal(TemporalType.TIMESTAMP)
    private Date createTime;
    @Temporal(TemporalType.TIMESTAMP)
    private Date updateTime;

    @OneToMany(mappedBy = "teacher")
    private List<Course> courses = new ArrayList<>();

    @ManyToMany(mappedBy = "students")
    private List<Course> enrolledCourses = new ArrayList<>();
    @OneToMany(mappedBy = "student")
    private List<Result> results = new ArrayList<>();

    @OneToMany(mappedBy = "student")
    private List<Applicant> applicants = new ArrayList<>();
    public User(){
        createTime = new Date();
        updateTime = createTime;
    }

    @JsonManagedReference
    public List<Applicant> getApplicants() {
        return applicants;
    }

    @JsonManagedReference
    public List<Course> getCourses() {
        return courses;
    }

    @JsonIgnore
    public List<Course> getEnrolledCourses() {
        return enrolledCourses;
    }

    @JsonManagedReference
    public List<Result> getResults() {
        return results;
    }

    @Override
    public boolean equals(Object obj) {
        if(this == obj){
            return true;
        }
        if(obj == null || obj.getClass() != getClass()){
            return false;
        }
        User user = (User) obj;
        return id.equals(user.getId());
    }

    @Override
    public int hashCode() {
        return Objects.hash(id);
    }
}